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Overview
An app-based digital dollar account providing Visa payment cards (virtual and physical) accepted at 150M+ merchants across 170+ countries. Direct spending from deposited stablecoins (USDT, USDC) and digital assets (PENGU) with no separate conversion step. Accounts are custodial, held with regulated financial partners. Membership tiers: Standard (free, 1.5% cashback, Visa Platinum, 2 free virtual/physical cards), Premium (US$1,000/year, 2% cashback, Visa Infinite), and Private (US$10,000/year, 3% cashback, Visa Infinite). Separate KAST Reserve feature offers 8%–12% yields on balances, distinct from purchase cashback. Free transfers between KAST users; external transfers show fees prior to confirmation. Apple Wallet, Google Wallet, and ATM withdrawals supported. Regulatory availability and eligibility vary by jurisdiction; broad international acceptance does not guarantee eligibility to apply in all countries.
Supported balances
USDT / USDC / PENGU
Card network
Visa
Format
Virtual, Physical
Custody model
Custodial
Read each condition in its own context. Amounts are not a complete cost estimate.
Costs to watch
Standard plan has no annual fee. Optional Premium tier costs $1,000/year and Private tier costs $10,000/year.
This referral link may open a website or app. Review current terms and confirm your eligibility before signing up. We may earn a commission when you use this link.
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